Finding the Fourth Proportional to 371,420.97, 557,449.59 and 368,625.26
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Solution
The fourth proportional to 371,420.97, 557,449.59 and 368,625.26 is: 553,253.62
Step by Step Solution
- Step 1: Write the proportion equation
371,420.97 : 557,449.59 = 368,625.26 : x - Step 2: Convert to fraction form
371,420.97/557,449.59 = 368,625.26/x - Step 3: Cross multiply
371,420.97x = 557,449.59 × 368,625.26 - Step 4: Simplify right side
371,420.97x = 205,489,995,420.27 - Step 5: Solve for x
x = 205,489,995,420.27/371,420.97 - Step 6: Final answer
x = 553,253.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.